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\$\begingroup\$ I think there's a simpler argument -- the only places the matching can violate the sorted order is when two things cross like C->Y, D->X, and those can just be uncrossed. \$\endgroup\$

xnor
– xnor

2016-01-25 05:18:44 +00:00
Commented Jan 25, 2016 at 5:18
\$\begingroup\$ @xnor That's basically what I wrote. Just with a lot more words. :P \$\endgroup\$

Dennis
– Dennis

2016-01-25 05:21:16 +00:00
Commented Jan 25, 2016 at 5:21

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create code fences with backticks ` or tildes ~
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like so
```
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def function(foo):
print(foo)
```
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